OS - Observation Scout Aircraft

Model Designation Manufacturer Engine(s) Crew Other
XOSE-1
Edo 1 Ranger V-770-8 1 XS2E-1
XOSE-2
Edo 1 Ranger V-770-8 2
XOSN-1
Naval Aircraft Factory 1 Pratt & Whitney R-1340-36 Wasp 2 XO2N-1
OS2N-1 Kingfisher Naval Aircraft Factory 1 Pratt & Whitney R-985-AN-8 Wasp Junior 2
XOSS-1
Stearman 1 Pratt & Whitney R-1340-36 Wasp 2
XOSU-1 Corsair Vought 1 Pratt & Whitney R-1340 Wasp 2
XOS2U-1 Kingfisher Vought 1 Pratt & Whitney R-985-AN-4 Wasp Junior 2
OS2U-1 Kingfisher Vought 1 Pratt & Whitney R-985-AN-48 Wasp Junior 2
OS2U-2 Kingfisher Vought 1 Pratt & Whitney R-985-AN-50 Wasp Junior 2
OS2U-3 Kingfisher Vought 1 Pratt & Whitney R-985-AN-2 Wasp Junior 2
XOS2U-4 Kingfisher Vought 1 Pratt & Whitney R-985-AN-50 Wasp Junior 2